Sevastian is a distinctive boys' name in United States, ranking #11028 in 1998 with 5 recorded births. The name reached its all-time peak in 2008 with 35 births ranking #3268. Since 1996, the popularity has decreased by 16.7%. In 1998, approximately 1 in every 382,264 boys born was named Sevastian. FALLING Recent data shows the name is currently falling.